National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Light Snow

35°F

2°C

Humidity 76%
Wind Speed SE 10 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 28°F (-2°C)
Visibility 5.00 mi
Wind Chill27°F (-3°C)
Last update 14 Mar 12:54 am EDT
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: Showers likely, mainly before 2am. Cloudy early, then clearing, with a low around 35. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 39 mph.

    High: 49 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. West wind 7 to 13 mph, with gusts as high as 24 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 37. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain, with thunderstorms also possible after 1pm. High near 62. South wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

    High: 62 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 44. South wind around 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.

    Low: 44 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, possibly mixing with snow after 11am, then gradually ending. Partly sunny, with a high near 51. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 51 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 2am. Cloudy early, then clearing, with a low around 35. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 49. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 39 mph.
Saturday Night
Mostly clear, with a low around 31. West wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday
Mostly cloudy, with a high near 45. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
A chance of rain, mainly after 5am. Mostly cloudy, with a low around 37. Southeast wind around 7 mph. Chance of precipitation is 30%.
Monday
Rain, with thunderstorms also possible after 1pm. High near 62. South wind 10 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.
Monday Night
Rain. Low around 44. South wind around 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
Tuesday
Rain likely, possibly mixing with snow after 11am, then gradually ending. Partly sunny, with a high near 51. West wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 24. West wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 40. West wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 29. South wind 3 to 6 mph.
Thursday
Mostly cloudy, with a high near 46. South wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 33. South wind around 6 mph.
Friday
Mostly sunny, with a high near 48. West wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
2:45 pm EDT Mar 13, 2026
Forecast Valid:
1am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation